One-step Construction of Α-Mnmoo4 Microstructures with Enhanced Lithium Storage Properties
Journal of alloys and compounds(2023)
摘要
Due to the synergistic effects of multiple transitional metals, high theoretical specific capacity and good electrical conductivity, alpha-MnMoO4 exhibits superior performance and can be utilized as one prospective lithium-ion battery anode material. Herein, a new solvothermal reduction method was adopted for the synthesis and construction of alpha-MnMoO4 microstructures. Both dart-like and nanosheet-based flower-like alpha-MnMoO4 microstructures can be prepared by tuning the initial amount of molybdenum acetylacetone during the reaction process. The electrochemical measurements show that the dart-like alpha-MnMoO4 mi-crostructures and nanosheet-based flower-like alpha-MnMoO4 microstructures deliver the stable specific ca-pacities of 951.4 and 861.4 mA h g-1 at a current density of 0.5 A g-1 after 400 cycles. The excellent capacity, stable and sustainable cyclic performance are much superior to the reported alpha-MnMoO4 particles. The improved electrochemical performance proves that alpha-MnMoO4 microstructures can be served as one prospective anode of lithium-ion batteries.(c) 2023 Elsevier B.V. All rights reserved.
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关键词
Solvothermal method,Microstructure,Lithium -ion batteries,Electrochemical properties
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